3117418 has 4 divisors (see below), whose sum is σ = 4676130. Its totient is φ = 1558708.

The previous prime is 3117299. The next prime is 3117421. The reversal of 3117418 is 8147113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8147113 = 13 ⋅626701.

It can be written as a sum of positive squares in only one way, i.e., 2550409 + 567009 = 1597^2 + 753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3117392 and 3117401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779353 + ... + 779356.

Almost surely, 2^3117418 is an apocalyptic number.

3117418 is a deficient number, since it is larger than the sum of its proper divisors (1558712).

3117418 is a wasteful number, since it uses less digits than its factorization.

3117418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558711.

The product of its digits is 672, while the sum is 25.

The square root of 3117418 is about 1765.6211371639. The cubic root of 3117418 is about 146.0825516758.

The spelling of 3117418 in words is "three million, one hundred seventeen thousand, four hundred eighteen".